Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757497AbYCEFSf (ORCPT ); Wed, 5 Mar 2008 00:18:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751668AbYCEFSY (ORCPT ); Wed, 5 Mar 2008 00:18:24 -0500 Received: from mga10.intel.com ([192.55.52.92]:41612 "EHLO fmsmga102.fm.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751518AbYCEFSY (ORCPT ); Wed, 5 Mar 2008 00:18:24 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.25,448,1199692800"; d="scan'208";a="528900977" Subject: Re: 2.6.25-rc3-git3: Reported regressions from 2.6.24 From: "Zhang, Yanmin" To: balbir@linux.vnet.ibm.com Cc: Dhaval Giani , "Rafael J. Wysocki" , LKML , Andrew Morton , Linus Torvalds , Adrian Bunk , Peter Zijlstra , Srivatsa Vaddagiri , Balbir Singh , Ingo Molnar In-Reply-To: <47CE183C.7040105@linux.vnet.ibm.com> References: <200803030316.07165.rjw@sisk.pl> <20080304112741.GA13428@linux.vnet.ibm.com> <1204682782.3248.189.camel@ymzhang> <47CE183C.7040105@linux.vnet.ibm.com> Content-Type: text/plain; charset=utf-8 Date: Wed, 05 Mar 2008 13:15:54 +0800 Message-Id: <1204694154.3248.194.camel@ymzhang> Mime-Version: 1.0 X-Mailer: Evolution 2.9.2 (2.9.2-2.fc7) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1412 Lines: 31 On Wed, 2008-03-05 at 09:19 +0530, Balbir Singh wrote: > Zhang, Yanmin wrote: > > On Tue, 2008-03-04 at 16:57 +0530, Dhaval Giani wrote: > >>> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=9978 > >>> Subject : 2.6.25-rc1: volanoMark 45% regression > >>> Submitter : Zhang, Yanmin > >>> Date : 2008-02-13 10:30 > >>> References : http://lkml.org/lkml/2008/2/13/128 > >>> Handled-By : Srivatsa Vaddagiri > >>> Balbir Singh > >> > >> Peter's revert of the load balance patches should fix this one. Yanmin, > >> could you please confirm if the patch at > >> http://lkml.org/lkml/2008/2/25/202 helps? > > I tested it against 2.6.25-rc3 on my 16-core tigerton machine. It really improves > > volano result although it doesn't recover all the result. > > Comparing with 2.6.24, without the patch, volanoMark has about 50% regression > > with 2.6.25-rc3. With the patch, volanoMark has about 15% regression. > > > > Have you had a chance to git-bisect the culprit after the revert? How to bisect it if the reverted patch is submitted after the culprit patch? -yanmin -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/